<template>
  <div class="login-wrap">
    <el-form label-position="left" :model="ruleForm" :rules="rules" ref="ruleForm" label-width="0px"
             class="demo-ruleForm login-container">
      <h3 class="title">用户登录</h3>
      <el-form-item prop="username">
        <el-input type="text" v-model="ruleForm.username" auto-complete="off" placeholder="账号"></el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input type="password" v-model="ruleForm.password" auto-complete="off" placeholder="密码"></el-input>
      </el-form-item>
      <el-row>
        <el-col :span="12">
          <el-form-item prop="code">
            <el-input type="text" v-model="ruleForm.code" auto-complete="off" placeholder="图形验证码"
                      @keyup.enter.native="submitForm('ruleForm')"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12" class="code-box">
          <img :src="ruleForm.codeimg" alt="" class="codeimg" @click="getcode()">
        </el-col>
      </el-row>
      <el-checkbox class="remember" v-model="ruleForm.rememberMe">记住密码</el-checkbox>
      <el-form-item style="width:100%;">
        <el-button type="primary" style="width:100%;" @click="submitForm('ruleForm')" :loading="logining">登录</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>
<script type="text/ecmascript-6">
    import {login, getUserInfo,getAuthCode} from '../api/userMG'
    import {setCookie, getCookie, delCookie} from '../utils/util'
    import md5 from 'js-md5'

    export default {
        name: 'login',
        data() {
            return {
                //定义loading默认为false
                logining: false,
                ruleForm: {
                    //username和password默认为空
                    username: '',
                    password: '',
                    code: '',
                    randomStr: '',
                    codeimg: '',
                    rememberMe: '',
                },
                //rules前端验证
                rules: {
                    username: [{required: true, message: '请输入账号', trigger: 'blur'}],
                    password: [{required: true, message: '请输入密码', trigger: 'blur'}],
                    code: [{required: true, message: '请输入验证码', trigger: 'blur'}]
                }
            }
        },
        // 创建完毕状态(里面是操作)
        created() {
            // this.$message({
            //     message: '账号密码及验证码不为空即可',
            //     type: 'success'
            // })
            // 获取图形验证码
            this.getcode();
            // 获取存在本地的用户名密码
            this.getuserpwd()

        },
        // 里面的函数只有调用才会执行
        methods: {
            //后台生成验证吗
            getcode(){
                getAuthCode().then(res=>{
                    if(res.code==200){
                        this.ruleForm.codeimg =res.data.base64Code;
                        this.ruleForm.randomStr = res.data.uuid;
                    }
                }).catch()
            },
            // 获取用户名密码
            getuserpwd() {
                if (getCookie('user') != '' && getCookie('pwd') != '') {
                    this.ruleForm.username = getCookie('user');
                    this.ruleForm.password = getCookie('pwd');
                    this.rememberMe = true;
                }
            },
            //获取info列表
            submitForm(formName) {
                this.$refs[formName].validate(valid => {
                    if (valid) {
                        this.logining = true;
                        // 登陆
                        login(this.ruleForm).then(res => {
                            console.log(res);
                            if (res.code == 200) {
                                if (this.ruleForm.rememberMe) {
                                    //保存帐号到cookie，有效期7天
                                    setCookie('user', this.ruleForm.username, 7);
                                    //保存密码到cookie，有效期7天
                                    setCookie('pwd', this.ruleForm.password, 7);
                                } else {
                                    delCookie('user');
                                    delCookie('pwd');
                                }
                                //如果请求成功就让他2秒跳转路由
                                setTimeout(() => {
                                    this.logining = false;
                                    // 缓存token
                                    localStorage.setItem('logintoken', "Bearer "+res.data);
                                    console.log('用户的logintoken'+localStorage.getItem('logintoken'));
                                    // 缓存用户个人信息
                                    getUserInfo( res.data).then(res => {
                                        if (res.code == 200) {
                                            localStorage.setItem('userdata', JSON.stringify(res.data));
                                        }
                                    }).catch();
                                    this.$store.commit('login', 'true');
                                    this.$router.push({path: '/goods/Goods'})
                                }, 1000)
                            } else {
                                this.$message.error(res.message);
                                this.logining = false;
                                return false
                            }
                        })
                    } else {
                        // 获取图形验证码
                        this.getcode()
                        this.$message.error('请输入用户名密码！')
                        this.logining = false
                        return false
                    }
                })
            },
        }
    }
</script>

<style scoped>
  .login-wrap {
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    padding-top: 10%;
    background-image: url();
    /* background-color: #112346; */
    background-repeat: no-repeat;
    background-position: center right;
    background-size: 100%;
  }

  .login-container {
    border-radius: 10px;
    margin: 0px auto;
    width: 350px;
    padding: 30px 35px 15px 35px;
    background: #fff;
    border: 1px solid #eaeaea;
    text-align: left;
    box-shadow: 0 0 20px 2px rgba(0, 0, 0, 0.1);
  }

  .title {
    margin: 0px auto 40px auto;
    text-align: center;
    color: #505458;
  }

  .remember {
    margin: 0px 0px 35px 0px;
  }

  .code-box {
    text-align: right;
  }

  .codeimg {
    height: 40px;
    width: 175px;
  }
</style>
